QNAP TS-855eU-RP Specifications
Hardware
CPU
Intel Atom C5125 8-core processor, 2.8GHz
CPU Architecture
64-bit x86
Floating Point Unit
Yes
Encryption Engine
Yes (AES-NI)
System Memory
8GB non-ECC SODIMM DDR4 (1x 8GB)
Maximum Memory
64GB (2x 32GB)
Memory Slot
2x SODIMM DDR4
Support ECC memory
Flash Memory
5GB (Dual boot OS protection)
Drive Bay
8x 3.5″ SATA 6Gb/s, 3Gb/s
Drive Compatibility
3.5″ SATA hard disk drives
2.5″ SATA hard disk drives
2.5″ SATA solid state drives
Hot-swappable
Yes
M.2 Slot
2x M.2 2280 (PCIe Gen 3 x4)
SSD Cache Acceleration Support
Yes
SR-IOV
Yes
2.5 Gigabit Ethernet Port
2 (2.5G/1G/100M/10M) (2.5G/1G/100M)
5 Gigabit Ethernet Port
Optional via a network adapter (5G/2.5G/1G/100M)
10 Gigabit Ethernet Port
Optional via a network adapter
25 Gigabit Ethernet Port
Optional via a network adapter
Wake on LAN (WOL)
Yes
Jumbo Frame
Yes
PCIe Slot
2x PCIe Gen3 (x4)
Slot 1: PCIe Gen 3 (x4)
Slot 2: PCIe Gen 3 (x4)
USB 3.2 Gen 1 Port
4
HDMI Output
Optional via a PCIe graphics card
Form Factor
2U Short Depth Rackmount
LED Indicators
HDD 1-8, Status, LAN, USB, Power
Buttons
Power, Reset
Operating Temperature
32 Degree F – 104 Degree F (0 – 40 Degree C)
Storage Temperature
-4 Degree F – 158 Degree F (-20 – 70 Degree C)
Relative Humidity
5-95% RH non-condensing, wet bulb: 80.6 Degree F (27 Degree C)
Power Supply Unit
2x 300W PSU, 100 – 240V
Power Consumption
54.331W (HDD Sleep Mode)
78.73W (Operating Mode, Typical)
Fan
3x 60mm, 12VDC
System Warning
Buzzer
Max. Number of Concurrent Connections
With Max. Memory: 2500 (CIFS)
Dimensions (H x W x D)
3.49 x 17.01 x 11.71″ (8.8 x 43.2 x 29.7mm)
Weight
17.97 lbs (8.15kg)
Software
Operating System
QuTS hero h5.1.0
QTS 5.1.0
Supported Client Operating Systems
Apple Mac OS 10.10 or later
Ubuntu 14.04, CentOS 7, RHEL 6.6, SUSE 12 or later Linux
IBM AIX 7, Solaris 10 or later UNIX
Microsoft Windows 7, 8, 10 and 11
Microsoft Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019 and 2022
Supported Browsers
Apple Safari
Google Chrome
Microsoft Edge
Mozilla Firefox (latest version)
Supported Languages
Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish
Storage
Storage Pool
Yes
SED Storage Pool
Yes
Maximum Pool size
QuTS hero h5.1.0: 5PB
QTS 5.1.0: 308TB
Maximum number of storage pool
128
Volume Type
Thick, Thin, Static (Only in QTS 5.1.0)
Maximum volume size
250TB (Only in QTS 5.1.0)
Maximum number of volume
128 (Only in QTS 5.1.0)
Shared Folder Type
Thick, Thin (Only in QuTS hero h5.1.0)
Maximum shared folder size
QuTS hero h5.1.0: 5PB
QTS 5.1.0: 250TB
Maximum number of shared folder
QuTS hero h5.1.0: 128
QTS 5.1.0: 512
JBOD Expansion
Yes
VJBOD / VJBOD Cloud
Yes
iSCSI Service
Yes
Fiber Channel Service
Yes
LUN Type
Thick, Thin
File-based
iSCSI LUN (Only in QTS 5.1.0)
Block-based iSCSI LUN
Yes
Maximum LUN size
QuTS hero h5.1.0: 1024TB
QTS 5.1.0: 250TB
Maximum number of targets LUN
128
LUN feature
-
LUN Mapping (LUN can be moved between iSCSI and FC)
-
LUN Masking
-
WWPN Aliases Import/Export
-
FC Port Group
-
FC Port Binding
-
Multipath IO (MPIO)
-
Online LUN capacity expansion
-
LUN snapshot
-
LUN snapshot replication and clone (Only in QTS 5.1.0)
Auto Tiering
Yes (Only in QTS 5.1.0)
RAID
RAID Type
QuTS hero h5.1.0
-
8-bay (and more): Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, 60, Triple Mirror, Triple Parity
-
6-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, Triple Mirror, Triple Parity
-
4-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, Triple Mirror, Triple Parity
-
3-bay: Single, RAID 0 (Stripe), 1, 5, Triple Mirror, Triple Parity
-
2-bay: Single, RAID 0 (Stripe), 1
QTS 5.1.0
-
8-bay (and more): JBOD, Single, RAID 0, 1, 5, 6, 10, 50, 60
-
6-bay: JBOD, Single, RAID 0, 1, 5, 6, 10, 50
-
4-bay: JBOD, Single, RAID 0, 1, 5, 6, 10
-
2-bay: JBOD, Single, RAID 0, 1
RAID Group
Yes
RAID Level Migration
Yes (Only in QTS 5.1.0)
RAID Expansion
Yes (by replacing bigger Disks)
Storage Pool Expansion
Yes (by adding RAID Group)
RAID Hot Spare
Global, Local
RAID Sync/Rebuild/Scrubbing
Yes
End-to-End data integrity
Yes (Only in QTS 5.1.0)
Silent error detection and self-healing
Yes (Only in QTS 5.1.0)
Internal drive
QuTS hero h5.1.0: ZFS
QTS 5.1.0: EXT4
External drive
QuTS hero h5.1.0: EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT
QTS 5.1.0: EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT (optional for ARM model)
Disk, Enclosure Locate
Yes
Disk S.M.A.R.T. Scan
Yes
Disk S.M.A.R.T. Data Migration
Yes
Ironwolf Health Management
Yes
Secure Erase
Yes
SSD Trim
Yes
SSD Life Estimation
Yes
Disk Roaming
Yes
Snapshots
Volume Snapshot
Yes (Only in QuTS hero h5.1.0)
Shared Folder Snapshot
Yes (Only in QuTS hero h5.1.0)
LUN Snapshot
Yes
Minimum Snapshot Interval
QuTS hero h5.1.0: 1 minutes
QTS 5.1.0: 5 minutes
Snapshot Retention Policy
Yes
Self-serve Snapshot Recovery
Yes
Application Consisted Snapshot
Yes
Snapshot Full Clone
Yes
Snapshot Instant Clone
Yes
Snapshot Replica / Vault
Yes
SSD Cache
SSD read-only Cache
Yes
SSD read-write cache
Yes (Only in QTS 5.1.0)
SSD write-only cache
Yes (Only in QTS 5.1.0)
SSD read & write log cache
Yes (Only in QuTS hero h5.1.0)
SSD dedicated ZIL cache
Yes (Only in QuTS hero h5.1.0)
SSD Cache RAID
QuTS hero h5.1.0: 0, 1, 10 (journal)
QTS 5.1.0: 0, 1, 5, 6, 10
SSD profiling tool
Yes (Only in QTS 5.1.0)
File Server
File Server
-
File sharing across Windows, Mac, and Linux/UNIX
-
Microsoft networking (CIFS/SMB)
-
Apple networking (AFP)
-
NFS version 3/4 services
FTP Server
QuTS hero h5.1.0
QTS 5.1.0
Maximum FTP connection
1024
Shared Folder Data Compression
Yes
Shared Folder Data Deduplication
Yes
Shared Folder WORM
Yes
File Station (Web)
Yes
Object Storage
Yes
Users & Permissions
Local user account
QuTS hero h5.1.0: 16000
QTS 5.1.0: 4,096
Local group account
512
Domain user/group account
200000
Domain Security
Yes
Domain Controller
Yes
Shared folder permission
Yes
Advanced folder permission
(AFP, CIFS/SMB, FTP, and File Station) (Only in QTS 5.1.0)
Windows ACL
QuTS hero h5.1.0: Yes
QTS 5.1.0: Yes (CIFS/SMB)
User quota
Yes
Group quota
Yes
Folder quota
QuTS hero h5.1.0: Yes
QTS 5.1.0: Yes, (Snapshot shared folder)
Home folder
Yes
System Management
Resource Monitor
Yes
SNMP
V2, V3
Network recycle bin
-
Recover files deleted using AFP, CIFS/SMB, and File Station
-
Automatic cleanup and file type filter
System Log & Notification Center
Log recording: 3,000 event per second
Smart Fan
Yes
Schedule on/off
Yes
Networking
Internet protocol
IPv4, IPv6
Virtual Switch
Yes
Port trunking
Yes, (7 modes)
VLAN
Yes
DHCP Server
Yes
DDNS
Yes (Dynamic Domain Name Service)
Network access protection
SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP (with auto-blocking)
Security
Security Counselor
Yes
Malware Remover
Yes
AES 256-bit Volume Encryption
Yes (validated by FIPS 140-2 CAVP)
2-step verification
Yes
Allow/Deny List
Yes
Access Protection
Yes
Service binding
Yes
Firewall
Yes
Virtualization
VMware vSphere Ready
Yes
Windows Server certificated
Yes
Citrix Ready
Yes
vSphere Web Client Plug-in
Yes
VMware vSphere VAAI for iSCSI
Yes
VMware vSphere VAAI for NAS
Yes
Windows ODX
Yes
Windows/VMware Snapshot Agent
Yes
Connectivity & Web
HTTP/HTTPS Connections
TLS 1.0/1.1/1.2/1.3
Supports WebDAV Connection
Yes
Supports Virtual Hosts
32
Sync & Hybrid Cloud
Qsync
-
Management Mode: User customization, Central
-
Qsync client supported platforms: Windows, macOS, Ubuntu, Android, and iOS
-
Maximum number of version control: 64
HybridMount
QuTS hero h5.1.0
QTS 5.1.0
Backup & Restore
HBS (Hybrid Backup Sync)
Hyper Data Protector
Yes
Boxafe
-
Office 365 Backup
-
Google Workspace Backup
Full-text search
Yes
Applications
Qsirch
-
Previews: Photos, music, videos, PDFs, Gmail, and others
-
Integrate Mac Finder
-
Advanced picture search
-
Search filters
QuMagie
Antivirus (free)
Yes
McAfee (License)
Yes
VPN & Authentication
QVPN Service
-
Remote Access: PPTP, L2TP/IPSec, OpenVPN, QBelt (QNAP proprietary)
-
Supported utility and mobile app: Windows, macOS, iOS, and Android
-
Supported maximum clients: 100
LDAP Server
Yes
RADIUS
Yes
SQL server
Yes
License Center
Yes
Multimedia
Multimedia Console
Yes
Photo Station
Yes
Music Station
Yes
Video Station
Yes
Download Station
Yes
Notes Station
Yes
Qfiling
Yes
Media Streaming add-on
Yes
QmailAgent
Yes
Networking & Management
QuWAN
Yes
DA Driver Analyzer
Yes
Q’center
Yes
Q’center Server
Yes
Q’center Agent
Yes
Connect to Q’center
Yes
Virtualization & Containers
Virtualization Station
QuTS hero h5.1.0
-
Supports Virtual machine instances: Windows, Linux, Unix, and Android
-
VM Importing, exporting, cloning, snapshot capturing, backup, and restoration: All function is Fine
-
Virtual switches: Can create a virtual switch
-
Suggested n0. of VM virtual machine instances: 8
QTS 5.1.0
-
Supports Virtual machine instances: Windows, Linux, Unix, and Android
-
VM Importing, exporting, cloning, snapshot capturing, backup, and restoration: All function is Fine
-
Virtual switches: Can create a virtual switch
-
GPU pass-through: Not support GPU
-
Suggested n0. of VM virtual machine instances: 8
Container Station
Linux Station
QuTS hero h5.1.0
QTS 5.1.0
Linux Station Center
Yes
QVR Surveillance
QVR Pro
-
Recording Technique: Index database based
-
License Type: Perpetual
-
User-defined trigger events
-
Metadata
-
QVR Pro Client (Desktop): Windows, macOS, and QNAP HybridDesk Station
-
QVR Pro Client (Mobile): Android and iOS
-
Recording camera streams: H.264
-
Free built-in camera channels: 8
QVR Elite
-
Recording Technique: Standard MP4 file based
-
License Type: Subscription-based
-
User-defined trigger events
-
QVR Pro Client (Desktop): Windows, macOS, and QNAP Hybrid Desk Station
-
QVR Pro Client (Mobile): Android and iOS
-
Recording camera streams: H.264
-
Free built-in camera channels: 2
QVR Pro Client
-
Dynamic View Layout
-
Windows
-
Mac
-
HybridDesktop
-
iOS
-
Android
-
Only in QTS 5.1.0
QVR Center
QVR Guard
QVR Human
Yes (Only in QTS 5.1.0)
QVR Face
Yes (Only in QTS 5.1.0)
QVR DoorAccess
Yes (Only in QTS 5.1.0)
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